1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* Copyright (C) 2005-2009 Alex Murray <murray.alex@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif /* HAVE_STDIO_H */
#include <glib.h>
#include <glib/gi18n.h>
#include "i2c-sys-plugin.h"
const gchar *plugin_name = "i2c-sys";
#define I2C_SYS_BASE_DIR "/sys"
enum {
I2C_SYS_DEVICE_FILE_OPEN_ERROR,
I2C_SYS_DEVICE_FILE_READ_ERROR
};
static void i2c_sys_plugin_add_sensor(GList **sensors, const gchar *path) {
gchar *filename;
gchar *id;
gchar *label;
gboolean enable;
guint sensor_type;
IconType icon_type = GENERIC_ICON;
filename = g_path_get_basename(path);
/* setup temp2 as CPU sensor and enable it */
if (g_ascii_strcasecmp(filename, "temp2_input") == 0) {
id = g_strndup(filename, 5);
label = g_strdup(_("CPU"));
sensor_type = TEMP_SENSOR;
enable = TRUE;
icon_type = CPU_ICON;
} else {
switch(filename[0]) {
case 'c':
/* either current or cpu?_vid sensor */
if (filename[1] == 'u') { /* currents are curr?_input */
id = g_strndup(filename, 5);
label = g_strndup(filename, 5);
sensor_type = CURRENT_SENSOR;
}
else { /* cpu_vid is cpu?_vid */
id = g_strdup(filename);
label = g_strdup(filename);
sensor_type = VOLTAGE_SENSOR;
}
break;
case 'f': /* fans are "fan?_input" */
id = g_strndup(filename, 4);
label = g_strndup(filename, 4);
sensor_type = FAN_SENSOR;
icon_type = FAN_ICON;
break;
case 't': /* temps are "temp?_input" */
id = g_strndup(filename, 5);
label = g_strndup(filename, 5);
sensor_type = TEMP_SENSOR;
break;
case 'i': /* voltages are "in?_input" */
id = g_strndup(filename, 3);
label = g_strndup(filename, 3);
sensor_type = VOLTAGE_SENSOR;
break;
default:
/* SHOULDN'T BE ABLE
* TO GET HERE!! */
g_warning("filename:\"%s\" begins with a charater that is not covered by this switch statement... not adding sensor", filename);
g_free(filename);
g_free(id);
g_free(label);
return;
}
/* disable all other sensors */
enable = FALSE;
}
sensors_applet_plugin_add_sensor(sensors,
path,
id,
label,
sensor_type,
enable,
icon_type,
DEFAULT_GRAPH_COLOR);
g_free(filename);
g_free(id);
g_free(label);
}
static void i2c_sys_plugin_test_sensor(GList **sensors,
const gchar *path) {
gchar *filename;
filename = g_path_get_basename(path);
if ((g_str_has_suffix(filename, "_input") &&
(g_str_has_prefix(filename, "temp") ||
g_str_has_prefix(filename, "fan") ||
g_str_has_prefix(filename, "curr") ||
g_str_has_prefix(filename, "in"))) ||
(g_str_has_prefix(filename, "cpu") &&
(g_str_has_suffix(filename, "_vid")))) {
i2c_sys_plugin_add_sensor(sensors, path);
}
g_free(filename);
}
/* to be called to setup for sys sensors */
static GList *i2c_sys_plugin_init(void) {
GList *sensors = NULL;
/* call function to recursively look for sensors
starting at the defined base directory */
sensors_applet_plugin_find_sensors(&sensors,
I2C_SYS_BASE_DIR,
i2c_sys_plugin_test_sensor);
return sensors;
}
static gdouble i2c_sys_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
/* to open and access the value of each sensor */
FILE *fp;
gfloat sensor_value;
if (NULL == (fp = fopen(path, "r"))) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I2C_SYS_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);
return -1.0;
}
if (fscanf(fp, "%f", &sensor_value) != 1) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I2C_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
fclose(fp);
if (type != FAN_SENSOR) {
sensor_value /= 1000.0;
}
return (gdouble)sensor_value;
}
const gchar *sensors_applet_plugin_name(void)
{
return plugin_name;
}
GList *sensors_applet_plugin_init(void)
{
return i2c_sys_plugin_init();
}
gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
return i2c_sys_plugin_get_sensor_value(path, id, type, error);
}
|
